<table width="466" border="0" align="center">
  <tr>
    <td width="85" align="center"> <a href=mostrarHome.do> <img src="resources/images/home.png" width="50" height="50" /></td>
    <td width="95" align="center"><img src="resources/images/refresh.png" width="50" height="50" /></td>
    <td width="92" align="center"><img src="resources/images/graficas.png" width="50" height="50" /></td>
    <td width="350">&nbsp;</td>
    <td width="44">&nbsp;</td>
    <td width="180" align="center"><img src="resources/images/atras.png" width="50" height="50" /></td>
  </tr>
</table>